Flat headed mop



FIG. 1 is a perspective view for a flat headed mop showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

The broken lines in the drawings depict portions of the flat headed mop that form no part of the claimed design. 

CLAIM The ornamental design for a flat headed mop, as shown and described. 